|Interests||"wind" (fart) power|
|Fears||Becoming like his father and brother|
|Voiced by||Steve Zahn|
- Terry is the second sibling to be shown from the main cast, the other being Howard's sister Heidi.
- Terry is the actual owner of McFist Industries and signs over the company to his brother once a year.
- Terry loves the "fart power" word , that was his everyday word.
- Terry lives in a place called Dudrkoff Wood
- Terry wants to hook up all of Norrisville to fart catchers, especially the students of Norrisville High School.
- Father McFist has always told Terry that he was not a good business man
- Terry loves giving wet willies, especially to his younger weaker brother, Hannibal McFist
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